ISO 11738:2000

Abstract

This International Standard specifies requirements for the components and method of installation of pressurized

irrigation system control heads, referred to hereinafter as irrigation control heads, with a nominal size of up to and

including 200 mm.

This International Standard is applicable only to the above-ground components of irrigation control heads for

sprinkler irrigation and micro-irrigation (mini-sprinklers, drip irrigation, etc.). It is applicable to the basic irrigation

control head, on which other irrigation control and command components (electrical, electronic and hydraulic) may

be assembled, but does not deal with these additional components.

This International Standard is not applicable to systems and/or components that may be required to prevent the

water from freezing in the irrigation control head, such as dry-barrel hydrants or other types of hydrants.

This International Standard does not specify construction or operating requirements for the individual components

that make up the irrigation control head. These requirements are specified in the relevant standards for each

component.

Systems whose irrigation control heads contain components for the injection of agricultural chemicals should be

protected by backflow prevention system interlocks, injection line check valves and other safety devices in

accordance with local standards or regulations. This International Standard does not cover such equipment.

This standard contributes to the following Sustainable Development Goals

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